Artificial grass installation depends on what lies beneath it. The base, infill, drainage system and finishing details determine whether your turf will drain properly, stay in place, resist odor and last through Waco's hot summers and the clay-heaving winters that crack open real lawns. This guide explains the materials and methods that separate a solid installation from a shortcut job, and what to ask for in writing before work begins.
Whether you are installing turf in a residential yard, a pet area, around a pool, or on a commercial property, the same principles apply. Understanding infill, base preparation and drainage will help you evaluate any installer's proposal and recognize the difference between a temporary fix and a system built to perform in Central Texas heat and heavy clay soil.
Turf Infill Options: Silica, Coated Sand, Zeolite and Envirofill
Infill is the granular material spread across the turf surface after installation. It serves multiple purposes: it props up the grass fibres so they stand upright and feel natural underfoot, it protects the backing from ultraviolet light, it adds weight to keep the turf anchored, and it plays a role in drainage and odor control. The infill you choose affects how the turf feels, performs and ages.
Silica sand is the most common and economical infill. It is angular, inert and provides reliable ballast. Coated sand is silica sand that has been rounded and often colored to match the turf blade or to reduce glare and heat reflection. Coated sand is gentler on the feet and on the turf backing over time. Zeolite is a porous mineral that absorbs and neutralizes ammonia and other odors, making it popular for pet turf and dog runs. Antimicrobial and cooling coated infills, sold under brand names such as Envirofill, combine mineral infill with additives designed to inhibit bacterial growth and reduce surface temperature. These products exist and are available to source, though their performance depends on proper installation and maintenance.
Crumb rubber (recycled tire rubber) is primarily a sports-field infill used in artificial turf systems for athletic play. It is not recommended for residential yards, pet areas or spaces where children will spend extended time, because its performance profile and thermal characteristics differ significantly from mineral infills.
How Much Infill Artificial Grass Needs, and Why
Infill is specified in pounds per square foot. This figure tells you how much weight of infill material is needed to fill the turf properly. Infill serves as a structural component: it holds the fibres erect, protects the backing material from UV damage, anchors the turf against movement, and facilitates drainage by allowing water to flow through the material and down into the base. Too little infill is a common shortcut of cheap installations. When infill is sparse, the turf flattens, the backing deteriorates faster, seams lift more easily, and odor can accumulate in pet areas.
Typical infill specifications range from 1.5 to 3 pounds per square foot for residential turf, depending on the pile height, fibre density and intended use. Pet turf often calls for infill on the higher end of that range. Playground and sports turf may require different specifications. Rather than accept a general estimate, ask any installer to provide the infill amount in writing as part of the turf specification. This figure, along with the infill type, should be documented before work begins so you know exactly what you are paying for.
What to Put Under Artificial Grass for Drainage
Proper drainage begins with removing what is underneath. Start by removing the existing lawn, sod, old turf and roots down to bare soil. Once the area is cleared, excavate to the depth required for your base material (typically three to four inches). If the ground slopes toward the house, the pool or a low point where water collects, regrade it so water runs away from structures. Lay a weed barrier fabric over the soil to prevent weeds from growing up through the turf and to separate the soil from the base rock.
Next, install a free-draining base of decomposed granite or crushed base rock. This material must be compacted firmly in lifts (two-inch layers, each compacted separately) to create a stable, level surface. For pet areas, patios and play areas, an optional draining underlay or foam pad is then laid over the compacted base. This adds comfort and further isolates the turf from moisture. Finally, the turf is installed over this prepared system.
On hard surfaces such as concrete or balconies, turf must never be glued flat to the slab. Instead, lay a draining underlay or pad that allows water to flow toward the edges, and ensure the perimeter has drainage channels so water does not pool beneath the turf. This approach keeps the backing dry and prevents odor and deterioration.
Base Prep on Waco Soil: Excavation, Base Rock and Compaction
Waco's soil presents a specific challenge to turf installation. The area sits on heavy black expansive clay over white limestone. This clay shrinks and cracks during dry spells (especially August droughts) and becomes sticky and poorly draining after heavy rain. If you simply lay turf on unworked clay, water pools on the surface, the soil heaves as it dries, and the turf settles unevenly, creating dips and puddles that trap odor.
Proper base preparation begins with excavation. Remove topsoil and any vegetation, then dig to a depth of three to four inches. Grade the excavated area so it slopes gently away from the house and away from any pool or low point. This fall is essential in Waco's clay soil, where standing water is the default. Remove any large rocks or debris. Then import and spread decomposed granite or crushed base rock, a material that drains freely and compacts firmly. Compact this base in two-inch lifts using a plate compactor, tamping each layer until it is solid and level. Rushing compaction or skipping lifts leaves soft spots that settle over time, causing the turf to dip and water to collect.
If your yard has a genuine drainage problem, a low spot that holds water after rain, or a slope that channels runoff into the yard, drainage must be addressed before turf is installed. Depending on the severity, this may mean regrading, installing a French drain or a catch basin, or in some cases, it may mean the site is not suitable for turf. We discuss this openly during the estimate and will decline a job if drainage cannot be resolved properly.
Artificial Grass Drainage and Underlay: Perforated vs Fully Permeable
Artificial grass backing comes in two main types: perforated and fully permeable. Perforated backing has small holes that allow water to drain through at a measured rate, typically stated in gallons per hour per square foot (GPH/SF). Fully permeable backing is a woven or non-woven material that allows water to pass through freely with minimal resistance. The drainage rate of the turf itself is only part of the equation. A fast-draining turf still fails on a base that does not drain, which is why base preparation is so critical.
For most residential installations, a turf with a drainage rate of 15 to 30 GPH/SF is adequate. The real test comes in pet areas and during heavy downpours. In a pet zone, rapid drainage prevents urine from pooling and keeps the infill from becoming saturated, which reduces odor. During a spring thunderstorm, water must move through the turf and the base quickly so puddles do not form on the surface.
For patios, balconies and hard surfaces, an underlay or drainage pad is installed beneath the turf to channel water toward the edges and prevent it from pooling under the backing. Ask your installer for the drainage rate of the turf product in writing and confirm that the base and any underlay are designed to handle water movement at that rate. Do not accept vague claims about drainage; ask for the specification.
Seams, Nails, Edging and Power Brooming
The finishing details separate a professional installation from a shortcut job. Seams are where two pieces of turf meet. They should be joined with seam tape and adhesive applied to the backing, with the pile grain aligned so the seam is nearly invisible and the turf colour appears uniform. Seams laid without tape or with misaligned grain will show as visible lines and are prone to lifting, especially in heat.
Nails or staples secure the turf perimeter and must be spaced at the correct interval (typically 6 to 12 inches, depending on the turf weight and the installer's specification) and driven fully into the backing without damaging the fibres. Loose or widely spaced fasteners allow the turf to shift and seams to separate. Edging is the perimeter detail. Turf should be cut tight to pavers, pool decks and landscape edging, with the perimeter secured by bender board, a metal edge, or another secured border that keeps the turf from curling or lifting. A visible gap between the turf and the edge, or turf that lifts at the perimeter, indicates inadequate edging or fastening.
Power brooming is the final step. After infill is spread, a power broom stands the turf fibres upright and distributes the infill evenly across the surface. This step improves appearance, ensures the infill is settled, and allows the turf to perform as designed. A turf that looks flat or matted, or where infill is clumped in some areas and sparse in others, was not power broomed properly.
What a Written Turf Spec Should Include
Before work begins, request a written specification from your installer that documents every material and method that will be used. This spec is your protection and your reference if questions arise later. It should include the turf product name and fibre type (polyethylene, nylon or polypropylene), the face weight in ounces per square yard, the pile height in millimeters, the backing type and its drainage rate in gallons per hour per square foot, the infill type and the amount in pounds per square foot, the base material and depth (typically three to four inches), the base compaction method, whether a weed barrier will be used, the seam joining method, the edging detail, cleanup and debris haul-off, and the workmanship warranty period.
A solid installer will provide this spec as a matter of course. It names the product, not a vague category like 'premium turf', and it commits the installer to specific materials and methods. If an installer resists putting details in writing or offers only a price per square foot without a product specification, that is a signal to ask more questions or seek another estimate. The spec also protects you when it comes time for repairs or future work, because you will know exactly what was installed.
For a free on-site estimate and measurement, contact us with details of your project. We will assess your yard, discuss your needs and provide a written spec and pricing based on the actual site conditions. If your yard has drainage concerns or other complexities, we will address them directly and explain how they affect the installation and cost.